Commit 3df49b2e authored by Michal Wajdeczko's avatar Michal Wajdeczko
Browse files

drm/xe: Add SR-IOV info attribute to debugfs 



As SR-IOV support varies between platforms and the driver can run
in different SR-IOV modes, add debugfs file with these details.

Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404154431.583-4-michal.wajdeczko@intel.com
parent 146e4384

drivers/gpu/drm/xe/xe_debugfs.c

+11 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include "xe_device.h"

#include "xe_gt_debugfs.h"

#include "xe_pm.h"

#include "xe_sriov.h"

#include "xe_step.h"



#ifdef CONFIG_DRM_XE_DEBUG
@@ -70,8 +71,18 @@ static int info(struct seq_file *m, void *data) 
	return 0;

}



static int sriov_info(struct seq_file *m, void *data)

{

	struct xe_device *xe = node_to_xe(m->private);

	struct drm_printer p = drm_seq_file_printer(m);



	xe_sriov_print_info(xe, &p);

	return 0;

}



static const struct drm_info_list debugfs_list[] = {

	{"info", info, 0},

	{ .name = "sriov_info", .show = sriov_info, },

};



static int forcewake_open(struct inode *inode, struct file *file)

drivers/gpu/drm/xe/xe_sriov.c

+14 −0
Original line number Diff line number Diff line
@@ -101,3 +101,17 @@ int xe_sriov_init(struct xe_device *xe) 


	return drmm_add_action_or_reset(&xe->drm, fini_sriov, xe);

}



/**

 * xe_sriov_print_info - Print basic SR-IOV information.

 * @xe: the &xe_device to print info from

 * @p: the &drm_printer

 *

 * Print SR-IOV related information into provided DRM printer.

 */

void xe_sriov_print_info(struct xe_device *xe, struct drm_printer *p)

{

	drm_printf(p, "supported: %s\n", str_yes_no(xe_device_has_sriov(xe)));

	drm_printf(p, "enabled: %s\n", str_yes_no(IS_SRIOV(xe)));

	drm_printf(p, "mode: %s\n", xe_sriov_mode_to_string(xe_device_sriov_mode(xe)));

}

drivers/gpu/drm/xe/xe_sriov.h

+3 −0
Original line number Diff line number Diff line
@@ -10,9 +10,12 @@ 
#include "xe_device_types.h"

#include "xe_sriov_types.h"



struct drm_printer;



const char *xe_sriov_mode_to_string(enum xe_sriov_mode mode);



void xe_sriov_probe_early(struct xe_device *xe);

void xe_sriov_print_info(struct xe_device *xe, struct drm_printer *p);

int xe_sriov_init(struct xe_device *xe);



static inline enum xe_sriov_mode xe_device_sriov_mode(struct xe_device *xe)